Onex Receives FAA NKET Approval Sonex Aircraft, LLC is excited to announce that the FAA National Kit Evaluation Team (NKET) has approved and published amateur building checklists for the new Onex Single-Place, Folding-Wing Sport Pilot Aircraft. Availability of these approved checklists allows current and future Onex builders to show compliance with the “major portion” requirement… Read More

We wrapped-up the year 2011 as an incredibly successful and action-packed year for the Onex design! We saw first flight of the #1 standard gear prototype on January 27, 2011, completed a flight test program on the aircraft, created a feature-packed Onex Complete Airframe Kit and Sub-Kits, completed the full set of Onex plans, achieved… Read More

Onex Tri-Gear Flies! The Onex Tri-Gear Prototype flew for the first time on October 5th 2011. In addition to the tricycle gear configuration, this prototype also has a two foot longer wing span meant to ensure Sport Pilot Compliance for Heaver (250 lb) pilots. The long wing tips are standard equipment in the Onex Kit… Read More

Sonex has received a number of inquiries about propeller selection for the Onex Single-Place, Folding-Wing, Sport Pilot Aircraft. We continue to flight test a number of propellers and are in the process of selecting the optimized propeller for both the Onex Tail Wheel and Tricycle Gear configurations. We expect to have a final propeller recommendation… Read More

We are extremely pleased by how popular the Onex has been and are all hard at work in completing all the things needed to deliver plans and kits. We’ve finalized the delivery schedule for Onex orders. All deposit holders have received order confirmations with estimated delivery dates and order totals. We are on track to… Read More

We’ve been extremely pleased with the level of enthusiasm that has greeted the release of our new Onex Aircraft. The Onex offers a unique combination of simplicity, affordability, performance, sport pilot compliance, and the ability to store it in your garage or share a standard t-hangar with 4 others. The growing list of orders confirms… Read More

The Hornets’ Nest R&D team has been continuing to work extremely hard on development of the Onex single-place, folding-wing, aerobatic sport pilot aircraft. Much work has been done on both #1 (tail wheel) and #2 (tri-gear) prototypes, and many hours of flight testing have been accumulated on the #1 prototype to-date: Updated Onex Specifications: The… Read More

Kit Build Options

Our Mission

Sonex Aircraft, LLC is committed to providing the recreational aviation community innovative, cost-effective and efficient aircraft kits, powerplants, and accessories and supporting them with industry-leading customer service. In addition, Sonex provides leadership to the grass-roots homebuilt community to protect the experimental-amateur built rules and cultivates new pilots and airplane builders through educational efforts.

Our Vision

To continue the Sonex Aircraft heritage of Product Innovation, Affordability, Simplicity, Versatility, Performance, Engineering, and Quality and to expand these themes into a broader aviation marketplace.